Make sure your Mac meets the
System Requirements for Firefox. If you use an old version of OS X, see this article for more information:
Installing Firefox on Mac
- Visit the Firefox download page
in any browser (for example, Apple Safari). It will automatically
detect the platform and language on your computer and recommend the best
version of Firefox for you.
- Click the green download button to download Firefox.
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- Once the download has completed, the file (Firefox.dmg) should
open by itself and pop open a Finder window containing the Firefox
application. Drag the Firefox Icon on top of the Applications folder in
order to copy it there.
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Note: If you do not see this window, click the Firefox.dmg file that you downloaded to open it.
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- After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select from the menu.
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- You can add Firefox to your dock for easy access. Just open your Applications folder and drag Firefox to the dock.
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- Firefox is now ready for use. Just click on its icon in the dock to start it.
Starting Firefox for the first time
When you first start up Firefox, you will be warned that you
downloaded Firefox from the Internet. Because you download Firefox from
the official site, you can click Open.
Also, Firefox will not be your default browser and you'll be told
about that. That means that when you open a link in your mail
application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click Use Firefox as my default browser to set it as your default browser. If not or you are just trying out Firefox, click Not now.